U.S. Air Force Staff Sgt. Colin Prutch, a 480th Expeditionary Fighter Squadron dedicated crew chief, performs maintenance on an F-16 Fighting Falcon during exercise INIOHOS 19 at Andravida Air Base, Greece, April 1, 2019. The goal of the exercise is to enhance professional relationships and improve overall coordination with allies and partner militaries during times of crisis. (U.S. Air Force photo by Airman 1st Class Branden Rae)